BTT PI4B Adapter V1.0 with CB1 & Heatsink
Link to printable case: https://github.com/bigtreetech/PI4B-Adapter
1. The CB1 couldn’t be connected to the PI TFT screen. The DSI/CSI port will only work while using CM4.
2. The PI4B should be used with CB1 or CM4 core board to run Klipper.